x = int(input())

def check(input):
    one = 1800
    two = 1999
    kyu = 1
    while one >= 400:
        if one <= input <= two:
            return kyu
        kyu += 1
        one -= 200
        two -= 200

print(check(x)) x = int(input()) x int(input()) int input() input def check(input):
    one = 1800
    two = 1999
    kyu = 1
    while one >= 400:
        if one <= input <= two:
            return kyu
        kyu += 1
        one -= 200
        two -= 200 check one = 1800 one 1800 two = 1999 two 1999 kyu = 1 kyu 1 while one >= 400:
        if one <= input <= two:
            return kyu
        kyu += 1
        one -= 200
        two -= 200 one >= 400 one 400 if one <= input <= two:
            return kyu
         one <= input <= two one <= input one input two return kyu kyu kyu += 1 kyu 1 one -= 200 one 200 two -= 200 two 200 input input print(check(x)) print check(x) check x def check(input):
    one = 1800
    two = 1999
    kyu = 1
    while one >= 400:
        if one <= input <= two:
            return kyu
        kyu += 1
        one -= 200
        two -= 200 def check(input):
    one = 1800
    two = 1999
    kyu = 1
    while one >= 400:
        if one <= input <= two:
            return kyu
        kyu += 1
        one -= 200
        two -= 200 check x = int(input()) int(input()) x
x = int(input())

def check(input):
    one = 1800
    two = 1999
    kyu = 1
    while one >= 400:
        if one <= input <= two:
            return kyu
        kyu += 1
        one -= 200
        two -= 200

print(check(x))
